Class 7 Science MCQs (Grade 7) From Textbook

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Class 7 Science MCQs – Certification Test 154

Distillation MCQs (Question 154) – App & e-Book Download

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MCQ: 154

Desalination plant is very expensive because it

  1. uses a large amount of fuel
  2. is built on mountains and high lands
  3. uses electric machinery for desalination
  4. is built with expensive material

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Distillation Cerification Guide – Class 7 Science App & eBook MCQs

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Distillation MCQs App (iOS & Android)

Distillation MCQs App

7th Grade Science MCQs App (Android & iOS)

7th Grade Science MCQs App

Earth Science MCQs App (Android & iOS)

Earth Science MCQs App

8th Grade Science MCQs App (Android & iOS)

8th Grade Science MCQs App